/* AURI · Website – „abgefangenes Signal“
   Eis (#7df9ff) steht für AURI, Glut (#ff9e3d) für dich. Alles andere bleibt dunkel und ruhig. */

:root {
  --void: #020507;
  --ice: #7df9ff;
  --ice-dim: #3fa9b3;
  --ember: #ff9e3d;
  --text: #d6f1f3;
  --muted: #8aa9ae;
  --faint: #4a666b;
  --line: rgba(125, 249, 255, 0.16);
  --line-strong: rgba(125, 249, 255, 0.36);
  --hud: "Chakra Petch", system-ui, sans-serif;
  --read: "IBM Plex Sans", system-ui, sans-serif;
  --glyph: "IBM Plex Mono", ui-monospace, monospace;
  --brand: "Wallpoet", "Chakra Petch", sans-serif;
  --gutter: clamp(16px, 5vw, 72px);
  --max: 1240px;
  --cut: 12px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--void);
  color: var(--text);
  font: 400 17px/1.65 var(--read);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--ice); }
:focus-visible { outline: 1.5px solid var(--ice); outline-offset: 3px; }
::selection { background: rgba(125, 249, 255, 0.3); }
img { display: block; max-width: 100%; height: auto; }

/* Kern und Scanlinien hinter allem */
/* Kern: eigene Fläche um den Ring, Ränder weich ausgeblendet */
#core {
  position: absolute; left: -22%; top: -22%; width: 144%; height: 144%; z-index: 0; display: block; pointer-events: none;
  -webkit-mask-image: radial-gradient(circle at 50% 50%, #000 52%, transparent 70%);
  mask-image: radial-gradient(circle at 50% 50%, #000 52%, transparent 70%);
}
.no-webgl #core { display: none; }
.scan {
  position: fixed; inset: 0; z-index: 1; pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(125, 249, 255, 0.022) 0 1px, transparent 1px 3px),
    radial-gradient(ellipse 80% 70% at 50% 40%, transparent 55%, rgba(0, 2, 4, 0.65) 100%);
}
main, .top, .foot { position: relative; z-index: 2; }

/* ─── Kopf ─── */
.top {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 28px;
  padding: 14px var(--gutter);
  background: linear-gradient(180deg, rgba(2, 5, 7, 0.97), rgba(2, 5, 7, 0.8) 70%, rgba(2, 5, 7, 0));
}
.mark { font: 400 22px/1 var(--brand); letter-spacing: 0.22em; color: var(--ice); text-decoration: none; text-shadow: -0.06em 0 rgba(255, 158, 61, 0.55), 0.06em 0 rgba(125, 249, 255, 0.4); }
.top nav { display: flex; gap: 26px; margin-left: auto; }
.top nav a { font: 500 14px/1 var(--hud); color: var(--muted); text-decoration: none; letter-spacing: 0.02em; }
.top nav a:hover { color: var(--text); }

/* ─── Knöpfe: abgeschrägt wie in der App ─── */
.btn {
  --c: 10px;
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0 26px;
  font: 600 15px/1 var(--hud); letter-spacing: 0.03em; text-decoration: none;
  color: var(--void); background: var(--ice);
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c));
  transition: background 0.2s, box-shadow 0.2s;
}
.btn:hover { background: #b9fcff; }
.btn-ghost { color: var(--ice); background: transparent; box-shadow: inset 0 0 0 1px var(--line-strong); }
.btn-ghost:hover { background: rgba(125, 249, 255, 0.08); }
.btn-small { min-height: 38px; padding: 0 16px; font-size: 13px; --c: 7px; }

/* ─── Abschnitte ─── */
section { padding: clamp(80px, 12vw, 160px) var(--gutter); }
.section-head { max-width: var(--max); margin: 0 auto 48px; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 32px 64px; align-items: end; }
.section-head h2 { margin: 0; font: 600 clamp(32px, 4.6vw, 60px)/1.05 var(--hud); letter-spacing: -0.01em; color: #fff; text-wrap: balance; }
.section-head p { margin: 0; color: var(--muted); max-width: 52ch; }

/* Entschlüsselungs-Glyphen (nur während des Effekts) */
.glyph { font-family: var(--glyph); color: var(--ice-dim); font-weight: 400; }

/* ─── Held ─── */
.hero {
  min-height: calc(100svh - 66px);
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: center; gap: 24px;
  max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto;
  padding-top: 24px; padding-bottom: 64px;
}
.wordmark {
  margin: 0 0 18px;
  font: 400 clamp(76px, 13vw, 184px)/0.9 var(--brand);
  letter-spacing: 0.08em;
  color: #fff;
  text-shadow: -0.04em 0 rgba(255, 158, 61, 0.7), 0.04em 0 rgba(125, 249, 255, 0.6), 0 0 0.35em rgba(125, 249, 255, 0.35);
}
.wordmark.glitch { animation: glitch 0.42s steps(2) 1; }
@keyframes glitch {
  0% { transform: translateX(0); clip-path: inset(0 0 0 0); }
  25% { transform: translateX(-4px); clip-path: inset(18% 0 52% 0); }
  50% { transform: translateX(5px); clip-path: inset(60% 0 8% 0); }
  75% { transform: translateX(-2px); clip-path: inset(30% 0 30% 0); }
  100% { transform: none; clip-path: inset(0 0 0 0); }
}
.hero-line { margin: 0 0 14px; font: 500 clamp(22px, 2.3vw, 30px)/1.3 var(--hud); color: var(--text); max-width: 22ch; min-height: 2.6em; }
.hero-sub { margin: 0 0 32px; color: var(--muted); max-width: 40ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; }
.fine { margin: 18px 0 0; font-size: 13.5px; color: var(--faint); }

.hero-text { position: relative; z-index: 2; }
.hero-core { display: grid; justify-items: center; gap: 18px; }
.core-anchor { width: min(46vw, 560px); aspect-ratio: 1; position: relative; border-radius: 50%; }
.rings { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; opacity: var(--boot, 0); z-index: 1; }
.ring { transform-origin: 0 0; transform-box: view-box; color: var(--ice); }
.ring circle, .ring path, .ring line { fill: none; stroke: currentColor; vector-effect: non-scaling-stroke; stroke-width: 1px; }
.r1 .dash { stroke-dasharray: 1 4; opacity: 0.5; }
.r2 line { opacity: 0.38; } .r2 line.major { opacity: 0.9; }
.r3 path { stroke-width: 2px; opacity: 0.7; stroke-linecap: round; }
.r4 .faint { opacity: 0.22; }
.r5 .notch { fill: currentColor; stroke: none; opacity: 0.85; }

.transmission { position: relative; z-index: 2; min-height: 112px; width: min(46vw, 520px); text-align: center; }
.tx-state { font: 500 13px/1 var(--hud); letter-spacing: 0.18em; color: var(--ice); }
.tx-you { margin: 12px 0 4px; font: 400 17px/1.45 var(--read); color: var(--ember); min-height: 1.45em; }
.tx-auri { margin: 0; font: 300 19px/1.45 var(--read); color: #fff; min-height: 2.9em; }

/* ─── Funkverkehr ─── */
.log { list-style: none; max-width: var(--max); margin: 0 auto; padding: 0; border-top: 1px solid var(--line); }
.log li {
  display: grid; grid-template-columns: 140px minmax(0, 5fr) minmax(0, 6fr); gap: 8px 40px; align-items: baseline;
  padding: 26px 0; border-bottom: 1px solid var(--line); outline: none;
  transition: background 0.25s;
}
.log li:hover, .log li:focus-visible { background: linear-gradient(90deg, rgba(125, 249, 255, 0.05), transparent 70%); }
.log-topic { font: 500 14px/1.4 var(--hud); color: var(--faint); padding-left: 12px; border-left: 2px solid var(--line-strong); }
.log .you { margin: 0; font: 500 clamp(18px, 1.7vw, 22px)/1.4 var(--hud); color: var(--ember); }
.log .auri { margin: 0; color: var(--text); opacity: 0.32; transition: opacity 0.35s, color 0.35s; }
.log li:hover .auri, .log li:focus-visible .auri, .log li.playing .auri { opacity: 1; color: #fff; }
.log .auri::before { content: "AURI  "; font: 400 13px/1 var(--brand); letter-spacing: 0.12em; color: var(--ice); white-space: pre; }
.clip { display: inline-block; margin-left: 8px; padding: 2px 8px; font: 400 12px/1.4 var(--read); color: var(--muted); border: 1px solid var(--line); vertical-align: middle; }

/* ─── Geräte: Laptop mit Tastatur in Perspektive, Handy mit Gehäusetiefe ───
   Licht kommt vom Bildschirm (Eis) und fällt auf Tastatur und Unterlage. */
.devices { position: relative; max-width: var(--max); margin: 0 auto; padding-bottom: 40px; }
.stage3d { position: relative; perspective: 2400px; padding: 1% 0 9%; }

/* Laptop */
.laptop {
  --rx: 0deg; --ry: 0deg;
  width: 80%; margin: 0 0 0 3%;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx)) rotateY(var(--ry));
  transition: transform 0.7s var(--ease);
}
.laptop-lid {
  position: relative;
  padding: 1.15% 1.15% 1.7%;
  border-radius: 16px 16px 5px 5px;
  background: linear-gradient(180deg, #07090a, #0b0e10);
  box-shadow:
    0 0 0 1.5px #59636a,                 /* Aluminiumkante */
    0 0 0 3px #22282c,
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 0 140px -30px rgba(125, 249, 255, 0.45), /* Bildschirmlicht */
    0 50px 90px -40px rgba(0, 0, 0, 0.9);
}
.laptop-cam {
  position: absolute; top: 0.42%; left: 50%; width: 7px; height: 7px; transform: translate(-50%, 0);
  border-radius: 50%; background: radial-gradient(circle at 35% 35%, #3b5d78 0 18%, #0a0f14 40%, #000 70%);
  box-shadow: 0 0 0 1.5px #141a1d;
}
.laptop-screen { position: relative; overflow: hidden; border-radius: 4px; background: #000; }
.laptop-screen::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(112deg, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0.018) 26%, transparent 38%),
    radial-gradient(ellipse 120% 80% at 50% 120%, rgba(0, 0, 0, 0.25), transparent 60%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.7), inset 0 0 50px rgba(0, 0, 0, 0.3);
}
.laptop-hinge {
  width: 94%; height: clamp(5px, 0.7vw, 9px); margin: 0 auto;
  border-radius: 0 0 6px 6px;
  background: linear-gradient(180deg, #050607, #2a3034 60%, #3d454a);
}
.laptop-deck {
  position: relative; overflow: hidden;
  --deck: clamp(54px, 10vw, 140px);
  width: 112%; margin-left: -6%;
  height: var(--deck);
  /* Die Neigung staucht die Fläche nur optisch (cos 64° ≈ 0,44) – den Rest Platz wieder abziehen */
  margin-bottom: calc(var(--deck) * -0.56);
  transform: perspective(900px) rotateX(64deg);
  transform-origin: top center;
  border-radius: 0 0 22px 22px;
  background:
    radial-gradient(ellipse 70% 90% at 50% -10%, rgba(125, 249, 255, 0.2), transparent 70%), /* Licht vom Bildschirm */
    linear-gradient(180deg, #30373b, #1d2225 55%, #262c30);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
}
.laptop-deck .keys {
  position: absolute; top: 9%; left: 11%; right: 11%; height: 54%;
  border-radius: 4px;
  background-color: #0b0f11;
  background-image:
    repeating-linear-gradient(90deg, #1f2528 0 3px, transparent 3px calc(100% / 15)),
    repeating-linear-gradient(0deg, #1f2528 0 3px, transparent 3px 20%),
    radial-gradient(ellipse 60% 100% at 50% 0%, rgba(125, 249, 255, 0.12), transparent 70%);
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.5);
}
.laptop-deck .trackpad {
  position: absolute; bottom: 7%; left: 50%; width: 32%; height: 25%; transform: translateX(-50%);
  border-radius: 8px;
  background: linear-gradient(180deg, #2b3236, #23292c);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.07), inset 0 2px 6px rgba(0, 0, 0, 0.35);
}
.laptop-lip {
  position: relative; width: 112%; margin: -1px 0 0 -6%;
  height: clamp(6px, 0.9vw, 12px);
  border-radius: 0 0 16px 16px;
  background: linear-gradient(180deg, #4a5358, #1b2023 70%, #0f1214);
}
.laptop-lip::before { content: ""; position: absolute; left: 50%; top: 0; width: 13%; height: 45%; transform: translateX(-50%); border-radius: 0 0 9px 9px; background: #14181a; }

/* Handy */
.phone {
  --rx: 5deg; --ry: -20deg;
  position: absolute; right: 1%; bottom: 7%; width: 21%; margin: 0;
  transform: perspective(1400px) rotateX(var(--rx)) rotateY(var(--ry)) rotateZ(-1.5deg);
  transition: transform 0.7s var(--ease);
}
.phone-frame {
  position: relative; container-type: inline-size;
  padding: 2.4%;
  border-radius: 15.5% / 7.2%;
  background: #030405;
  box-shadow:
    0 0 0 1.5px #aab3b8,                  /* Titanrahmen, Glanzkante */
    0 0 0 3.5px #4a5357,
    3px 2px 0 3.5px #343c40,              /* Gehäusetiefe */
    6px 4px 0 3.5px #222a2e,
    9px 6px 0 3.5px #171d20,
    0 60px 90px -20px rgba(0, 0, 0, 0.85),
    0 0 90px -20px rgba(255, 158, 61, 0.28);
}
.phone-btn { position: absolute; width: 4px; border-radius: 2px; background: linear-gradient(90deg, #6d777c, #c3cbcf 50%, #5c666a); }
.phone-btn.power { right: -6px; top: 24%; height: 10%; }
.phone-btn.vol-up { left: -6px; top: 19%; height: 7%; }
.phone-btn.vol-down { left: -6px; top: 28%; height: 7%; }
.phone-screen { position: relative; overflow: hidden; border-radius: 13.2% / 6.2%; background: #000; }
/* Statusleiste wie auf einem echten Handy – das Kameraloch sitzt darin, nicht auf der App */
.phone-status { display: flex; justify-content: space-between; align-items: center; height: 5.2cqw; padding: 0 9%; background: #020507; font: 600 2.6cqw/1 var(--read); color: #fff; }
.phone-status .icons { display: flex; gap: 1.6cqw; align-items: center; }
.phone-status .bars { width: 4.2cqw; height: 2.4cqw; background: linear-gradient(90deg, #fff 0 18%, transparent 18% 27%, #fff 27% 45%, transparent 45% 54%, #fff 54% 72%, transparent 72% 81%, rgba(255,255,255,.4) 81%); clip-path: polygon(0 100%, 100% 0, 100% 100%); }
.phone-status .batt { width: 5.4cqw; height: 2.5cqw; border: 1.5px solid rgba(255,255,255,.55); border-radius: 0.8cqw; padding: 1px; }
.phone-status .batt::before { content: ""; display: block; width: 78%; height: 100%; border-radius: 0.4cqw; background: #fff; }
.phone-screen::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(125deg, rgba(255, 255, 255, 0.11) 0%, rgba(255, 255, 255, 0.025) 32%, transparent 46%);
}
.phone-island {
  position: absolute; top: 1.1cqw; left: 50%; width: 29%; height: 3.1cqw; transform: translateX(-50%);
  border-radius: 999px; background: #000;
  box-shadow: inset -12% 0 0 0 transparent;
}
.phone-island::after { content: ""; position: absolute; right: 14%; top: 50%; width: 22%; aspect-ratio: 1; transform: translateY(-50%); border-radius: 50%; background: radial-gradient(circle at 35% 35%, #233a52, #05080b 60%); }

/* Weicher Schatten auf der Unterlage */
.desk-shadow {
  position: absolute; left: 0; right: 4%; bottom: 3%; height: 46px;
  background: radial-gradient(ellipse 50% 50% at 45% 50%, rgba(0, 0, 0, 0.75), transparent 70%);
  filter: blur(10px); pointer-events: none; z-index: -1;
}
@media (prefers-reduced-motion: reduce) { .laptop, .phone { transition: none; } }

.callouts { list-style: none; margin: 40px 0 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; max-width: 76%; }
.callouts li { padding-top: 14px; border-top: 1px solid var(--line-strong); color: var(--muted); font-size: 15.5px; }
.callouts b { display: block; font: 600 16px/1.3 var(--hud); color: #fff; margin-bottom: 4px; }

/* ─── Deine Daten ─── */
.private-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 56px; align-items: center; }
.blueprint { margin: 0; }
.blueprint svg { width: 100%; height: auto; display: block; }
.bp-frame { fill: rgba(3, 12, 16, 0.75); stroke: var(--line-strong); stroke-width: 1.2; }
.bp-cloud { stroke: rgba(255, 158, 61, 0.5); }
.bp-store rect { fill: rgba(125, 249, 255, 0.05); stroke: rgba(125, 249, 255, 0.45); }
.bp-store text { font: 500 15px var(--hud); fill: #fff; }
.bp-label { font: 600 17px var(--hud); fill: var(--ice); }
.bp-cloud + .bp-label { fill: var(--ember); }
.bp-small { font: 400 13px var(--read); fill: var(--muted); }
.bp-core { fill: none; stroke: var(--ice); stroke-width: 1.5; stroke-dasharray: 2 4; }
.bp-core-in { fill: rgba(125, 249, 255, 0.5); filter: drop-shadow(0 0 6px #7df9ff); }
.bp-line { fill: none; stroke-width: 1.6; }
.bp-out { stroke: var(--ember); stroke-dasharray: 6 5; }
.bp-in { stroke: var(--ice); stroke-dasharray: 6 5; }
.bp-tag { font: 500 12.5px var(--hud); fill: var(--ember); }
.bp-tag-ice { fill: var(--ice); }
@media (prefers-reduced-motion: no-preference) {
  .bp-out, .bp-in { animation: flow 1.6s linear infinite; }
  @keyframes flow { to { stroke-dashoffset: -22; } }
}

.discreet-demo {
  --c: 14px; position: relative; isolation: isolate; padding: 26px 28px;
  clip-path: polygon(var(--c) 0, 100% 0, 100% calc(100% - var(--c)), calc(100% - var(--c)) 100%, 0 100%, 0 var(--c));
}
.discreet-demo::before, .discreet-demo::after { content: ""; position: absolute; z-index: -1; clip-path: inherit; }
.discreet-demo::before { inset: 0; background: linear-gradient(135deg, var(--ice) 0, rgba(125, 249, 255, 0.3) 40px, var(--line) 120px, var(--line) 100%); }
.discreet-demo::after { inset: 1px; background: rgba(3, 12, 16, 0.85); }
.demo-title { margin: 0 0 6px; font: 600 20px/1.3 var(--hud); color: #fff; }
.discreet-demo > p { margin: 0 0 18px; color: var(--muted); font-size: 15.5px; }
.demo-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.demo-list li { display: grid; grid-template-columns: 96px 1fr; gap: 12px; padding: 10px 12px; border-left: 2px solid var(--ice-dim); background: rgba(125, 249, 255, 0.05); font-size: 15px; outline: none; }
.demo-list .t { font: 500 14px/1.5 var(--hud); color: var(--ice); }
.demo-list .from { color: var(--ember); }
.demo-list .x { filter: blur(6px); opacity: 0.65; transition: filter 0.3s, opacity 0.3s; }
.demo-list li:hover .x, .demo-list li:focus-visible .x { filter: none; opacity: 1; }
.discreet-demo .fine { margin-top: 18px; }

/* ─── Drei Schritte ─── */
.steps { list-style: none; max-width: var(--max); margin: 0 auto; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px; counter-reset: s; }
.steps li { position: relative; padding-top: 26px; border-top: 1px solid var(--line-strong); }
.steps .n { position: absolute; top: -16px; left: 0; display: grid; place-items: center; width: 32px; height: 32px; font: 600 15px/1 var(--hud); color: var(--void); background: var(--ice); clip-path: polygon(7px 0, 100% 0, 100% calc(100% - 7px), calc(100% - 7px) 100%, 0 100%, 0 7px); }
.steps h3 { margin: 6px 0 8px; font: 600 22px/1.25 var(--hud); color: #fff; }
.steps p { margin: 0; color: var(--muted); }

/* ─── Fragen ─── */
.faq-list { max-width: 860px; margin: 0 auto; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 0; font: 500 clamp(18px, 1.6vw, 21px)/1.35 var(--hud); color: #fff; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; flex: none; width: 12px; height: 12px; border-right: 1.5px solid var(--ice); border-bottom: 1.5px solid var(--ice); transform: rotate(45deg) translateY(-3px); transition: transform 0.25s; }
.faq details[open] summary::after { transform: rotate(-135deg) translateY(-3px); }
.faq details p { margin: 0 0 24px; color: var(--muted); max-width: 64ch; }

/* ─── Schluss ─── */
.final { text-align: center; display: grid; justify-items: center; gap: 32px; padding-bottom: clamp(100px, 14vw, 180px); }
.final h2 { margin: 0; font: 600 clamp(36px, 6vw, 80px)/1.05 var(--hud); color: #fff; }

.foot { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 28px; padding: 28px var(--gutter) 36px; border-top: 1px solid var(--line); color: var(--faint); font-size: 14px; background: rgba(2, 5, 7, 0.9); }
.foot nav { margin-left: auto; display: flex; gap: 22px; }
.foot a { color: var(--muted); text-decoration: none; }
.foot a:hover { color: var(--text); }
.mark-small { font-size: 16px; }

/* ─── Schmalere Bildschirme ─── */
@media (max-width: 960px) {
  .top nav { display: none; }
  .top .btn-small { margin-left: auto; }
  .hero { grid-template-columns: 1fr; text-align: left; padding-top: 8px; }
  .hero-core { order: -1; }
  .core-anchor { width: min(78vw, 440px); }
  .transmission { width: 100%; }
  .section-head { grid-template-columns: 1fr; gap: 18px; }
  .log li { grid-template-columns: 1fr; gap: 6px; padding: 22px 0; }
  .log .auri { opacity: 1; }
  .laptop { width: 92%; margin-left: 4%; }
  .phone { width: 29%; right: 0; bottom: 2%; }
  .stage3d { padding-bottom: 16%; }
  .callouts { grid-template-columns: 1fr; max-width: none; gap: 18px; }
  .private-grid { grid-template-columns: 1fr; gap: 36px; }
  .steps { grid-template-columns: 1fr; gap: 44px; }
  .foot nav { margin-left: 0; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .hero-cta .btn { width: 100%; }
  .demo-list li { grid-template-columns: 1fr; }
}

/* ─── Geräte in 3D: die Zeichenfläche ersetzt die Bild-Mockups, die Bilder bleiben für Screenreader ─── */
.devices3d-holder { display: none; }
.devices3d { display: block; width: 100%; height: auto; }
.has-3d { padding: 0; }
.has-3d .devices3d-holder { display: block; animation: devicesIn 0.9s var(--ease) both; }
.has-3d > figure, .has-3d > .desk-shadow {
  position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; margin: 0;
}
@keyframes devicesIn { from { opacity: 0; transform: translateY(14px); } }
@media (prefers-reduced-motion: reduce) { .has-3d .devices3d-holder { animation: none; } }